[#PresaltedSipHasher-operator_call-00]
= xref:PresaltedSipHasher.adoc[PresaltedSipHasher]::operator()
:relfileprefix: ../
:mrdocs:

Function call operators

== Synopses

Declared in `<crypto/siphash.h>`

Equivalent to CSipHasher(k0, k1).Write(val).Finalize().


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
uint64_t
xref:PresaltedSipHasher/operator_call-08.adoc[operator()](xref:uint256.adoc[uint256] const& val) const noexcept;
----

[.small]#xref:PresaltedSipHasher/operator_call-08.adoc[_» more..._]#

Equivalent to CSipHasher(k0, k1).Write(val).Write(extra).Finalize(), with `extra` encoded as 4 little‐endian bytes.


[source,cpp,subs="verbatim,replacements,macros,-callouts"]
----
uint64_t
xref:PresaltedSipHasher/operator_call-0d.adoc[operator()](
    xref:uint256.adoc[uint256] const& val,
    uint32_t extra) const noexcept;
----

[.small]#xref:PresaltedSipHasher/operator_call-0d.adoc[_» more..._]#

== Return Value

The resulting 64‐bit hash.

== Parameters

[cols="1,4"]
|===
| Name| Description
| *val*
| The 256‐bit value to hash.
| *extra*
| The extra 32‐bit word to hash after val.
|===


[.small]#Created with https://www.mrdocs.com[MrDocs]#